Segments (Detail) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
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| Segment Reporting Information | |||
| Goodwill impairment loss | $ 0 | $ 0 | $ 0 |
| Goodwill | 115,207,000 | 115,369,000 | 100,153,000 |
| Operating Segments | Aerospace Segment | |||
| Segment Reporting Information | |||
| Goodwill impairment loss | 0 | 0 | 0 |
| Purchased intangible impairment loss | 0 | 0 | 0 |
| Goodwill | 115,200,000 | 115,400,000 | |
| Operating Segments | Test Systems Segment | |||
| Segment Reporting Information | |||
| Goodwill impairment loss | 0 | 0 | 0 |
| Purchased intangible impairment loss | 0 | 0 | $ 0 |
| Goodwill | $ 0 | $ 0 | |
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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